Examples with ChannelFutureProgressListener org.jboss.netty.channel.ChannelFutureProgressListener used on opensource projects

Example 1 with ChannelFutureProgressListener

use of org.jboss.netty.channel.ChannelFutureProgressListener in project NabAlive by jcheype.

the class HttpStaticFileServerHandler method messageReceived.

public void messageReceived(ChannelHandlerContext ctx, HttpRequest request) throws Exception {
    //HttpRequest request = (HttpRequest) e.getMessage();
    QueryStringDecoder qs = new QueryStringDecoder(request.getUri());
    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }
    final String path = sanitizeUri(qs.getPath());
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    boolean toBeCached = false;
    File file = new File(path);
    if (file.isDirectory())
        file = new File(file, "index.html");
    if (!file.exists()) {
        String newPath = path.replaceAll("_[0-9]+(\\.\\w+)$", "$1");
        logger.debug("newPath: {}", newPath);
        file = new File(newPath);
        toBeCached = true;
    }
    logger.debug("search file: {}", file.getAbsolutePath());
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    // Cache Validation
    String ifModifiedSince = request.getHeader(HttpHeaders.Names.IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.equals("")) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);
        // Only compare up to the second because the datetime format we send to the client does not have milliseconds 
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }
    RandomAccessFile raf;
    boolean isGz = false;
    try {
        File fileGz = new File(file.getAbsolutePath() + ".gz");
        logger.debug("searching gzip: {}", fileGz.getAbsolutePath());
        String acceptHeader = request.getHeader(Names.ACCEPT_ENCODING);
        if (fileGz.isFile() && acceptHeader != null && acceptHeader.contains("gzip")) {
            isGz = true;
            raf = new RandomAccessFile(fileGz, "r");
        } else
            raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException fnfe) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file, toBeCached);
    if (isGz)
        response.setHeader(Names.CONTENT_ENCODING, "gzip");
    //e.getChannel();
    Channel ch = ctx.getChannel();
    // Write the initial line and the header.
    ch.write(response);
    // Write the content.
    ChannelFuture writeFuture;
    if (ch.getPipeline().get(SslHandler.class) != null) {
        // Cannot use zero-copy with HTTPS.
        writeFuture = ch.write(new ChunkedFile(raf, 0, fileLength, 8192));
    } else {
        // No encryption - use zero-copy.
        final FileRegion region = new DefaultFileRegion(raf.getChannel(), 0, fileLength);
        writeFuture = ch.write(region);
        writeFuture.addListener(new ChannelFutureProgressListener() {

            @Override
            public void operationComplete(ChannelFuture future) {
                region.releaseExternalResources();
            }

            @Override
            public void operationProgressed(ChannelFuture future, long amount, long current, long total) {
                System.out.printf("%s: %d / %d (+%d)%n", path, current, total, amount);
            }
        });
    }
    // Decide whether to close the connection or not.
    if (!isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        writeFuture.addListener(ChannelFutureListener.CLOSE);
    }
}